Overview
A method for deriving purposes and challenges by generating and organizing elements that constitute the environment and worldview surrounding services

Steps
- 1
Determine the design subject (service) in advance.

- 2
Understand the CATWOE perspectives and apply them to the service.

- 3
Clarify the elements that constitute the service from the CATWOE perspectives.

Tips & Tricks
If too many elements emerge for each CATWOE perspective, prioritizing and working on only the important elements makes it easier to organize ideas.
